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Frequently Asked Questions | Four Solar | Solar Queries

Get to know all information about solar power. Four Solar provides enlightening information related to all the queries on solar power systems.

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Frequently Asked Questions | Four Solar | Solar Queries

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  1. FREQUENTLY ASKED QUESTIONS

  2. Solar Panel price in Hyderabad WHAT IS SOLAR PANEL PRICE IN HYDERABAD/TELANGANA/INDIA? • Solar Panel price differs from manufacturer to manufacturer. Since we are a System Integrator, we sell end to end solution and not just solar panels. We can assist you in this regard, however. Contact us for detailed pricing.

  3. Solar for Hospitals and Doctors HOW SOLAR IS IN HIGH DEMAND FOR HOSPITALS AND DOCTORS? • Hospitals are keen to adopt rooftop solar to reduce not just the electricity bill but CO2 footprint. Any technology should either be an Enabler or Save Money or Both. • Fortunately, rooftop solar is both. It transforms the way we have been thinking about power to the new way of self-producing and consuming, thereby saving money from the first day. This is the only electrical & electronic system that saves money and gives ROI between 3.5 to 5 years.

  4. Solar Financing For Homeowner DO WE GET LOAN FOR INSTALLATION OF GRID INTERACTIVE ROOFTOP SOLAR? IS THERE ANY POSSIBILITY FOR HOUSING-CUM-SOLAR LOAN? • Though Ministry of New and Renewable Energy (MNRE) had circulated a notice to all the national banks to promote rooftop solar by disbursing loans to consumers, the response is not very encouraging. • However, all banks will give loans for rooftop solar under Retail (Home or Personal) loans. All loan approvals are subject to good CIBIL score.

  5. TELANGANA SOLAR POWER POLICY IS THERE ANY TELANGANA SOLAR POWER POLICY FOR 2020? • State Governments do not have any rooftop solar policy, they only call for tenders. Policy is being driven by the central government organization, MNRE.

  6. GOVERNMENT SUBSIDIES FOR SOLAR PANELS DO YOU KNOW GOVERNMENT SUBSIDIES FOR SOLAR PANELS IN DOMESTIC HOMES? • Central Government Subsidies for Rooftop Solar. Subsidy is applicable to Residential segment only. • 40% for 1-3 KW • 20% for 4-10 KW • 20% for Group Housing / Gated Community • No Subsidy for more than 10 KW • No Subsidy for Commercial segment

  7. Solar Panels System WHAT IS A ROOFTOP SOLAR SYSTEM? • It is a system in which solar panels are installed on your roof. It comprises structure, panels and inverter. HOW DO SOLAR PANELS WORK? • The panels generate electricity in DC i.e., Direct current which then flows through an inverter converting DC to AC. We consume electricity in AC i.e., Alternating Current.

  8. NET METERING IS SOLARENERGY RELIABLE? • Yes. It produces electricity even on cloudy days. Our Satellites also work on solar energy. WHAT IS NET METERING? • It is a facility provided by the local DISCOM to automate the process of import and export. Through net metering import and export of units are recorded. Units consumed from the grid is imported units and units given out to the grid is exported units.

  9. SAVE ON MY ELECTRICITY BILL • HOW MUCH DO I SAVE ON MY ELECTRICITY BILL? • Solar capacity is based on your existing consumption. The number of units generated by rooftop solar system is the units saved from the grid and you start saving from day one. If we generate 20 units in a day from solar you save 20 times X. • DO I NEED TO REPLACE PANELS? • Good solar panels last 25-27 years. Therefore you will not have to replace them until they is damaged due to external factors.

  10. Solar Panels Installation • HOW LONG DO SOLAR PANELS TAKE TO INSTALL? • 3-10 days, based on the capacity. • DO I HAVE TO RE-WIRE MY HOUSE? • No you don’t have to re-wire your house if you are on-grid. You may have to if you are going off-grid. • WHAT ARE THE ENVIRONMENTAL BENEFITS? • When you install a 1kW solar panel system, CO2 emissions are reduced by 1.46 Tons per year.

  11. Solar panel installation WILL I RECEIVE AN ELECTRICITY BILL EVEN AFTER INSTALLING SOLAR PANELS? • You may or may not receive a bill since that is dependent on your installed capacity. However you will save money from day one. Please note that you will still have to pay for demand charges. IS THERE ANY MAINTENANCE COST? • Maintenance of solar panels does not cost much since there are no moving parts in the system. For it to perform well, ensure that the panels are cleaned and monitored regularly.

  12. Rooftop solar property HOW DO I KNOW THAT MY PROPERTY IS GOOD FOR SOLAR? • Every property is a good candidate for solar unless it is surrounded by tall buildings or trees that obstruct the sunlight or throws a shadow on the rooftop ARE SOLAR PANELS EASILY BREAKABLE? • No. But since they are mounted at an angle, they may break if there is an intention

  13. Clean Solar Panels • CAN I USE AN AIR CONDITIONER ON SOLAR POWER? • Yes • HOW TO CLEAN SOLAR PANELS? • The time best suited for cleaning the panels is before 8 am or after 6 pm, since during the peak hours the DC voltage is high. It is dangerous and might hamper with the generation of electricity. They are easier to clean when wet because the dust can be wiped off easily. For safety purposes it is advised to use a long handheld wiper while you are standing on the ground else you could use a soft cloth as well

  14. GROSS METERING • WHAT IS GROSS METERING? • It is a system in which the installed solar capacity’s total generation is sent to the grid. The government signs a contract with the owner giving him money for the generation of total units. • IS THE EXISTING ENERGY METER ENOUGH TO AVAIL THE NET METERING FACILITY? • No, a separate Bi-Directional meter should replace the existing energy meter to avail of the net metering facility provided by DISCOM.

  15. Solar GRID System • IS THERE ANY CHANGE OF ELECTROCUTION IN CASE OF GRID FAILURE? • All the latest solar inverters come with a grid failure feature, that is, the inverter shuts off when there is a grid fail • WHAT ARE THE DIFFERENT TYPES OF CONNECTIONS? • The different types of connections are: • LT which is Low Tension Voltage which are of two types: One phase and Three phase. In one phase the connectivity level is till 240 V and load eligible for it is up to 5 kW. Three phase the connectivity level is 415 V and a load range above 5 kW up to 75 kW. These are generally used by housing and commercial buildings. • HT which is High Tension Voltage has a load range above 75 kW.

  16. Solar Energy Subsidy WHAT ARE THE AVAILABLE SUBSIDY FOR RESIDENTIAL SECTORS? • As per the latest 2019 Policy, MNRE has issued a notice with the following subsidies: • 40% up to 3kW • 20% from 4 to 10 kW • Flat 20% on group housing or gated communities which is up to 500kW

  17. Solar Energy Consumption HOW LONG WILL SOLAR PANELS LAST? • Good solar panels will last till 25-27 years. WHY DO YOU NEED TO KNOW MY ENERGY CONSUMPTION? • Your past energy consumption helps us determine a suitable solar capacity for your home and save you money.

  18. GO WITH SOLAR • WHAT HAPPENS AFTER I DECIDE TO GO WITH SOLAR? • After you decide, we will start with a site survey, design and get your approval before ordering the materials. We’ll also handle the permits and other paperwork for you. After installation, we will provide monitoring tools so that you can track your system’s production. • WHAT HAPPENS WHEN MY SYSTEM GENERATES MORE ELECTRICITY THAN I CONSUME? • The surplus power flows back into the grid thereby, recording export units in the net meter.

  19. ROOFTOP SPACE HOW MUCH ROOFTOP SPACE IS REQUIRED? • Typically, we take 100 SFT per KW for calculation purposes. So, if you want 5 KW then you will need 500 SFT rooftop area. The total area may reduce due to panel efficiency. DO I NEED TO RE-ROOF MY HOUSE BEFORE INSTALLING SOLAR PANELS? • In most cases, no. But if your roof is old, you may have to re-do the roof to withstand the weight of the solar panels mounted on the structure. In a few cases, we have suggested our customers to strengthen the rooftop to mount solar panels; in a couple of cases, we have not agreed to install panels due to a weak roof

  20. GRID CONNECTED Solar System WHAT IF MY ROOF IS SHADED? • If the shaded roof is the only area for solar panels then your roof is not good for solar. Shade on the panels will reduce the generation up to 80%; it is suggested not to go for solar if your rooftop has shade during peak hours (10am-3pm). There are ways to work around and we can suggest after a site visit. DO BATTERIES COME WITH GRID CONNECTED SOLAR SYSTEM? • No.

  21. SOLAR PANELS GENERATE ELECTRICITY IN CLOUDY DAYS, DO SOLAR PANELS GENERATE ELECTRICITY? • Yes, even in cloudy day panels do generate electricity. Panels generation is efficient during sunlight so, the more the sunlight the more the generation WHAT HAPPENS WHEN SOLAR PANELS BREAK? • If the panels break during transportation or installation, you are covered. However, you are not covered through Four Solar for damages caused by nature like thunderstorms, hurricanes, etc. and physical damage / theft by someone, etc. You must take insurance; it costs less

  22. Immediate Support • WHAT IF THE PANELS STOP WORKING AFTER INSTALLATION? • The moment we come to know about the solar panels not working, we take immediate measures to rectify the problem. You are assured of a resolution, since your system is remotely monitored.

  23. Let’s join the solar community and enrich our lives!

  24. ROOF THAT SAVES YOUR MONEY CONTACT US 6-3-1109/1/P/402, Somajiguda, Hyderabad. contact@foursolar.com

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